—Where shall I go for the summer holiday?—How about Xiamen? It is a city worth on a bike.
Lucy likes playing ________ ping-pong, but her sister Lily likes playing ______ guitar.
______the problem clearly, Mary has to look for lots of information.
Thank you for your______,otherwise I couldn’t finish the work on time.
—Would you mind opening the door? — ______ .
---Do you still remember the first day we met at school? --- Very clear _____ it was yesterday.